Finding the Third Proportional to 140,916 and 307,968

Step by Step Solution

1. Step 1: Write the proportion equation
   140,916 : 307,968 = 307,968 : x
2. Step 2: Convert to fraction form
   140,916/307,968 = 307,968/x
3. Step 3: Cross multiply
   140,916x = 307,968 × 307,968
4. Step 4: Simplify right side
   140,916x = 94,844,289,024
5. Step 5: Solve for x
   x = 94,844,289,024/140,916
6. Step 6: Final answer
   x = 673,055.50